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Test Description: Chemistry Game
Instructions: Answer all questions to get your test result.
1) What is the oxidation number of Sr?
A
-2
B
+2
C
-1
D
0
2) How many valence electrons do all noble gases have?
A
1
B
4
C
8
D
7
3) What would be the name of P3Cl4?
A
Chrolide
B
Triphosphate Chloride
C
Phosphorus Chloride
D
Triphosphorus Tetrachloride
4) Which of the following would be binary?
A
NaCl
B
K
C
Na3PO4
D
CaCO3
5) Which of the following is an covalent compound?
A
Water
B
Sodium Oxide
C
Manganese( Sulfide
D
Potassium Nitrate
6) What is the trend for electronegativity across a period?
A
Idk
B
Neutral
C
Increases
D
Decreases
7) Why does electronegativity increases across the period?
A
The number of charges on the nucleus decreases.
B
The number of charges on the nucleus increases.
C
The number of charges on the nucleus stays the same.
D
It loses electrons.
8) Which of the following has a higher melting point?
A
Binary Compound
B
Ionic Compound
9) Which of the following are ternary?
A
CaCO3
B
NaCl
C
NaF
D
Mg0
10) Which of the following is an ionic compound?
A
Ammonia
B
Sodium Oxide
C
Carbon Tetrachloride
D
Water
*select an answer for all questions
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